package leetcode100;

import java.math.BigDecimal;
import java.util.Scanner;

/**
 * @author shkstart
 * 输入三个数判断是否为三角形
 * @create 2022-12-29-19:55
 */
public class Meme27_1 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while(scanner.hasNext()){
            BigDecimal a = scanner.nextBigDecimal();
            BigDecimal b = scanner.nextBigDecimal();
            BigDecimal c = scanner.nextBigDecimal();
            if(a.add(b).compareTo(c)>0 &&
               a.add(c).compareTo(b)>0 &&
               b.add(c).compareTo(a)>0){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            }
        }
    }
}
